Higgs Physics and the Equivalence Theorem
Kurt Riesselmann
Abstract
The equivalence theorem is an extremely useful tool to calculate heavy Higgs and top-quark effects for processes that have center-of-mass-energies (much) larger than the W boson mass. After an explanation of the renormalization procedures involved, the results for one- and two-loop radiative corrections to the fermionic Higgs decay, H→ f f, are given and discussed. Finally, the renormalization scheme dependence is examined, and the reliability of the perturbative series is investigated.
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